Premium Spherical Roller Bearing Pillow Block Relubricatable Four Bolt Non Expansion Type With Clearance Seals Setscrew Locking Collar Cast Iron Housing For Three Inch Shaft Three And One Half Inch Base To Center And Nine Three Quarter Inch Bolt Centers
✔️ Four-bolt, cast-iron housing with relubricatable 3 in bore, single unit
This high-capacity spherical roller pillow block bearing delivers reliable shaft support in heavy-duty conveyors, mining equipment, crushers, and package handling lines. Its cast-iron housing plus a self-aligning insert handles radial and thrust loads while tolerating minor misalignment of up to 4 degrees. Designed for easy relubrication in place and accepts 3 in bore (76.2 mm), base-to-center 3.5 in (88.9 mm), and bolt centers 9.75 in (247.7 mm) for flexible mounting.
✅ Four-bolt pillow block housing for quick mounting
✅ Cast-iron housing with relubricatable spherical roller insert
✅ Single setscrew locking collar for secure shaft grip
✅ Metal clearance seal: no frictional drag; wide temp range
✅ Double-row insert supports radial and axial loads
✅ Misalignment tolerance up to 4 degrees total
✅ Dynamic load rating 57,750 lbf; static 71,500 lbf
✅ 3 in bore; base-to-center 3.5 in; bolt centers 9.75 in (76.2 mm / 88.9 mm / 247.7 mm)
💡 What is a pillow block bearing used for? Pillow block bearings are a handy way to support rotating shafts in machinery. - They support radial loads in conveyors and mining equipment
- They help align shafts and absorb minor misalignment
- They enable easy lubrication in place to reduce maintenance
- They mount quickly to fixed positions with a single setscrew collar